Most dogs in the park are friendly. Rex is in the park. So Rex is friendly.

Which one of the following arguments is most similar in its flawed reasoning to the argument above?

Answer and explanation

Correct answer: B. Most of the cars in the lot are new. The blue car is in the lot. So the blue car is new

  1. Step 1: The flaw is moving from 'most' to a certain conclusion about one case. Step 2. The option 'Most of the cars in the lot are new. The blue car is in the lot. So the blue car is new' does the same. Answer: most cars in the lot are new, and so on. Why not the others: these arguments are valid or have different flaws.

Practise more Conditional Logic, Parallel Reasoning and Resolving Discrepancies.

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